Experience with Enduro XD-15 bottom bracket

I am considering purchasing the new Enduro XD-15 BB for my Trek Superfly. The concern I have is that the bearings are in a sealed cartridge. Does anyone know if they can be serviced? Do you think they will be substantially more durable than a standard steel or ceramic BB? It would need to last at least 3 times the longevity of a ceramic to be worth it. Enduro is advertising it as being able to outlast your frame (yea right).

Smoothest bottom bracket I've ever owned. Have had one on my hardtail for 2 seasons and just popped the seals and regreased the bearings last week. I doubt if it will out last the frame but I bet I get at least another 2 seasons out of it. I have a King on the full squish and I do like the xd-15 better.

I have an XD-15 in my stumpjumper. I've got 2 seasons on it. They come apart very easily, I disassemble clean and re-grease a few times a riding season. I see no reason this BB won't last a few more riding seasons. And it's smooth as butter as well.

I had the set up for my SRAM cranks and it was great for about a year but due to the sleeve installed for the different size of the spindle on one side I started having issues. I think more of the issue is due to the SRAM crank design. I switched to XT cranks a month after my earlier post and no issues at all. Still doing 4 plus rides a week and just opened it up for the first time 2 weeks ago. All was good inside and still clean, sealed it back up and have been riding it since. No complaints!

I have the regular ceramics as I have a SRAM GXP crankset. The XD-15's are an angular contact bearing and the GXP system is better with standard square contact do to the way the whole system mounts.

If you have Shimano, or other "side tension" crankset then the XD's are going to be great. If SRAM, just get the regular contact bearings as they are better designed for their use.

As to ceramics.,. I always thought the whole "ceramic" bearing upgrade was a big wasted $$ thing.. till I got one. My RWC ceramic bearing BB is now like 5 years old. Replaced my crankset last yr and kept the BB as it was WAY better than the stock new one,.. even after all those miles. It's a noticeable upgrade and it is true that they get even better with breaking/age.

only if it'a a GXP style crankset... GXP doesn't trap the bearings together like Shimano but uses JUST the non drive side's inner race to hold the cranks in place. Unlike trapped bearing systems this allows for some pressures to be relieved from the drive side bearings making them in theory last longer. (and in my experience it works)

Yeah, the loads are distributed evenly across both bearings with a BB30 system.
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actually the load is mostly on the drive side with anything but GXP.. as not only do you have the side to side, up and down which both sides deal with bu the drive side gets the added pressures of the pull/stress from the chain driving you forward.. and it's a big one. The GXP evens things out a bit by taking one stress area (side to side) and applies it to the non drive side..